<!--
 * @Author: wwssaabb
 * @Date: 2021-07-20 15:08:26
 * @LastEditTime: 2021-07-20 15:40:55
 * @FilePath: \demo\react_demo\demo\base_demo\react非受控组件.html
-->

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <div id="test"></div>

  <script type="text/javascript" src="../js/react.development.js" ></script>
  <script type="text/javascript" src="../js/react-dom.development.js" ></script>
  <script type="text/javascript" src="../js/babel.min.js" ></script>
  <script type="text/javascript" src="../js/prop-types.js" ></script>
  <script type="text/babel">  /* JSX 语法用babel转换 */

    class Login extends React.Component{
      submit=(e)=>{
        const {username,password}=this
        e.preventDefault()
        alert(`你输入的用户名是：${username.value},密码是：${password.value}`)
      }
      render(){
        
        return (
          <form action="#" onSubmit={this.submit}>
            用户名：<input ref={e=>this.username=e} type="text" name='username'/>  
            密码：<input ref={e=>this.password=e} type="password" name='password'/>  
            <button>登录</button>
          </form>
        )
      }
    }
    
    ReactDOM.render(<Login/>,document.getElementById('test'))

  </script>
</body>
</html>